How do you read Chevy date codes?

Read the next four digits in the code, which will be all numbers. This refers to the date that the engine was cast. The first two numbers are the month, and the last two are the day. For example, if the numbers read 0107, then the engine was cast on January 7.

What are the suffix codes for small block Chevys?

Small Block Chevy Suffix Codes: HR – TBS. GM body designation. All these are identified here. Quickly, A = Chevelle, F = Camaro, X = Nova. If you’re looking at the engine code – this is already known.

Where is the engine ID number on a Chevy small block?

ENGINE CODE STAMPING NUMBER All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. The engine date must precede the car build date, otherwise something is amiss.

What are the suffix codes for a Chevy Camaro?

For help go to engine Code helpor engine decoding FAQ. Choose Group to View Small BlockEngine Suffix Codes Select Suffix Group#* – B*C* – CZZD* – FZZG* – KZZL* – SZZT* – TZZU* – ZZZ262, 265, 267302, 305 or 307327350400ALL (very big) Chevy Small Block Engine Suffix Codes [C-CZZ] Code Year CID HP BBL Appl C 1957 265

Where is the date code on a Chevy engine?

The engine block sits in the center of the engine compartment and contains the pistons, which are easily recognizable in the cylinders of the engine block. Look at both the front face and rear face of the engine block for the block date code. It will be located on the top edge of either the front or rear face.

What are the suffix codes for a Chevy small block engine?

Choose Group to View Small BlockEngine Suffix Codes Select Suffix Group#* – B*C* – CZZD* – FZZG* – KZZL* – SZZT* – TZZU* – ZZZ262, 265, 267302, 305 or 307327350400ALL (very big) Chevy Small Block Engine Suffix Codes [C-CZZ] Code Year CID HP BBL Appl C 1957 265 m/t, 3 spd C 1958 283 185

How to find the VIN code on a Chevy small block?

Select the portion of the alphabet for your code. For example, select “DTR-HQ” if you’d like to find code DZ. In some cases suffix codes are reused twice or more over time, in this event check the partial VIN code or block casting date code and then see what year the block was made to pin down what application your block was originally used in.

What are the suffix codes on a Chevy 327?

First letters of “F,” “S,” “K” or “T” denotes Flint, St. Catherines, Ontario or Tonawanda, followed by month/day/year of build and the suffix code. Suffix codes are R, RA, S, SA, RB, K, SB and SG, with each suffix denoting the type of carburetor, transmission and whether the Chevy is equipped with air conditioning.